Brick Wall Patterns
From Databases to XML
Password Search
Spiral of Numbers
Overlapping Air Traffic Control Zones
Tacos Panchita
Rational Neighbor
Winterim Backpacking Trip
Re-connecting Computer Sites
The BitPack Data Compression Problem
TV game
Multinomial Coefficients
Live From Mars
Joana and the Odd Numbers
Jumping Champion
Stack of Cylinders
Dividing Land
Euro 2004
ASCII Mandelbrot
Cutting Polyominoes
Sunny Mountains
A Word Puzzle in the Sunny Mountains
Rectangle by the Ocean
One against Many
Spreading the News
No more prerequisites, please!
Walking Around Wisely
Integer Sequences from Addition of Terms
Eternal Truths
Number Maze
Polynomial Roots Let
The Probable n-Ascendants
Checking the N-Queens Problem
Water Flow
Overlapping Areas
Smart Strategy
Mars for Sale
Kriss Kross Puzzle
Gilix
Genes
Autobiographical Numbers
Permutations
Cyclic Numbers
Number Format Translator
Happy Numbers
Loading a Cargo Ship
A Pile of Boxes
Master Mind Helper
Fibonaccimal Base
Getaway
Tweedle Numbers
The Pieces of the Puzzle
Uno game
The Incredible Pile Machine
Tetravex Solver
Interpreting Old Maps
The Minimum Slot Machine
Popes
A Homer’s Holiday
Car Rallying
Gaussian Primes
Ambiguous or Incomplete Inductive Definitions
Taxicab Numbers
Spelling Corrector
Custom Language
Police Road Blocks
Lost Inheritances
Circular
Constellations
AlienAlgegra
Particles
Towers
Horizon Line
The Guessing Game
Kaprekar Numbers
Gutenberg Clumsy Helper
Bridge Building
Old West Rumours
Lemmings Battle!
The Abominable Triangleman
X-Express
Systematic Cyclic Redundancy Check Codes
Cube
Localized Summing for Blurring
Finding Haplotypes
Round and Round Maze
How Many?
Maternity
Many paths, one destination
Su Doku
Diving for gold
Safe Salutations
Customer service cost evaluation
Product of digits
POP-Partitioning an Orthogonal Polygon
Super Divisible Numbers
Find the Sequence
Show the Sequence
Dendogram
Book Signatures
‹ Previous
Next ›